AirHint found the following cheapest return flights from Chicago (ORD) to Rome (FCO) in March 2026 (see full year).

Return flights

11 Mar - 18 Mar	TAP
18 Mar - 25 Mar	TAP
20 Mar - 28 Mar	Icelandair
28 Mar - 05 Apr	Icelandair
27 Mar - 04 Apr	Icelandair
20 Mar - 26 Mar	Icelandair
20 Mar - 27 Mar	Icelandair
03 Mar - 10 Mar	British Airways
03 Mar - 10 Mar	United	direct
27 Mar - 03 Apr	Icelandair
21 Mar - 29 Mar	Icelandair
10 Mar - 22 Mar	Icelandair
05 Mar - 22 Mar	Icelandair
22 Mar - 02 Apr	Delta

Also check the deals for one-way flights from Chicago to Rome in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Rome in March from 306€

Return flights